<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <!-- 左侧显示总记录数 -->
        <template #before>
          <span>共{{ page.total }}条记录</span>
        </template>
        <!-- 右侧显示按钮 excel导入 excel导出 新增员工 -->
        <template #after>
          <el-button type="success" size="small" @click="$router.push('/import?type=user')">excel导入</el-button>
          <el-button type="danger" size="small" @click="exportData">excel导出</el-button>
          <el-button type="primaty" size="small" @click="showDialog=true">新增员工</el-button>
        </template>
      </page-tools>
      <el-card v-loading="loading">
        <!-- 表格组件 -->
        <el-table border :data="list">
          <el-table-column label="序号" sortable type="index" :index="indexMethod" />
          <el-table-column label="姓名" sortable prop="username" />
          <el-table-column label="头像" align="center" min-width="120px">
            <template #default="{row}">
              <img slot="reference" v-imagerror="require('@/assets/common/bigUserHeader.png')" :src="row.staffPhoto" style="border-radius:50%;width:100px;height:100px;padding:10px" @click="showQrCode(row.staffPhoto)">
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable prop="workNumber" />
          <el-table-column label="聘用形式" :formatter="formatEmployment" sortable prop="formOfEmployment" />
          <el-table-column label="部门" sortable prop="departmentName" />
          <el-table-column label="入职时间" sortable prop="timeOfEntry">
            <template #default="{row}">
              {{ row.timeOfEntry | formatDate }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable prop="enableState">
            <template #default="{row}">
              <el-switch :value="row.enableState===1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable fixed="right" width="280">
            <template #default="{row}">
              <el-button :disabled="!checkPermission('POINT-USER-UPDATE')" type="text" size="small" @click="$router.push(`/employees/detail/${row.id}`)">查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
              <el-button type="text" size="small" @click="delEmployee(row)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 放置分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height:60px">
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
      <!-- sync修饰符 是子组件 去改变父组件的数据的一个语法糖 -->
      <add-employees :show-dialog.sync="showDialog" />
      <el-dialog title="二维码" :visible.sync="showCodeDialog">
        <el-row type="flex" justify="center">
          <canvas ref="myCanvas" />
        </el-row>
      </el-dialog>
      <assign-role ref="assignRole" :show-role-dialog.sync="showRoleDialog" :user-id="userId" />
    </div>
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employess'
import EmployeeEnum from '@/api/constant/employees' // 引入员工枚举对象
import AddEmployees from './components/add-employees'
import { formatDate } from '@/filters'
import QrCode from 'qrcode'
import AssignRole from './components/assign-role'

export default {
  components: { AddEmployees, AssignRole },
  data() {
    return {
      showDialog: false,
      loading: false,
      showCodeDialog: false,
      showRoleDialog: false, // 显示分配角色的弹层
      userId: null,
      list: [],
      page: {
        page: 1,
        size: 10,
        total: 0
      }
    }
  },
  created() {
    this.getEmployeeList()
  },
  methods: {
    indexMethod(index) {
      return index + this.page.size * (this.page.page - 1) + 1
    },
    // 弹出层并获取角色
    async editRole(id) {
      this.userId = id
      await this.$refs.assignRole.getUserDetailById(id) // 父组件调用子组件方法
      this.showRoleDialog = true
    },
    showQrCode(url) {
      if (url) {
        this.showCodeDialog = true
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          QrCode.toCanvas(this.$refs.myCanvas, url) // 将地址转化成二维码连接
        })
      } else {
        this.$message.warning('该用户还未上传图像')
      }
    },
    // 格式化
    formatJson(headers, rows) {
      console.log(rows)
      return rows.map(v => {
        return Object.keys(headers).map(key => {
          if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
            return formatDate(v[headers[key]])
          } else if (headers[key] === 'formOfEmployment') {
            var en = EmployeeEnum.hireType.find(item => item.id === v[headers[key]])
            return en ? en.value : '未知'
          } else {
            return v[headers[key]]
          }
        })
      })
    },
    // 导出excel
    exportData() {
      // 表头对应关系
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      import('@/vendor/Export2Excel').then(async excel => {
        // excel是引入文件的导出对象
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows)
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        console.log(data)
        excel.export_json_to_excel({
          header: Object.keys(headers), // 表头 必填
          data, // 具体数据 必填
          filename: '员工信息表', // 非必填
          autoWidth: true, // 单元格是否要自适应宽度
          bookType: 'xlsx', // 导出文件类型
          multiHeader, // 复杂表头
          merges // 合并选项
        })
        // [{username:'张三'，mobile:1376455646}] => [[]]
        // 要转换 数据结构 还要和表头的顺序对应上
        // 要求转出的标题是中文
      })
    },
    async delEmployee(row) {
      try {
        await this.$confirm('此操作将永久删除该文件, 是否继续?')
        await delEmployee(row.id)
        this.getEmployeeList()
        this.$message.success('删除员工成功')
      } catch (error) {
        console.log(error)
      }
    },
    // 格式化聘用形式
    formatEmployment(row, column, cellValue, index) {
      const obj = EmployeeEnum.hireType.find(v => {
        return v.id === cellValue
      })
      return obj ? obj.value : '未知'
    },
    changePage(newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    async getEmployeeList() {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.list = rows
      this.page.total = total
      this.loading = false
    }
  }
}
</script>

<style>

</style>
